Add a script for updating 3rd party libraries

misc/update-libs.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
+CODE="${ROOT}/code"
+
+prepare()
+{
+    local URL="$1"
+    shift
+    local EXCLUDE_PATTERNS=("$@")
+    local FILENAME=$(basename ${URL})
+    local BASENAME="${FILENAME%.tar.gz}"
+    local DIR="${CODE}/${BASENAME}"
+
+    local EXCLUDE_ARGS= 
+    for EXCLUDE_PATTERN in "${EXCLUDE_PATTERNS[@]}"; do
+        EXCLUDE_ARGS+=" -not -regex ${EXCLUDE_PATTERN}"
+    done
+
+    echo ${BASENAME}
+    curl -L "${URL}" | tar -xz -C "${CODE}"
+    (
+        cd ${DIR}
+        [ -f ./configure ] && ./configure
+        find . -type f ${EXCLUDE_ARGS[@]} -delete
+        find . -type d -empty -delete
+    )
+}
+
+prepare "https://downloads.xiph.org/releases/ogg/libogg-1.3.6.tar.gz" "\./\(include\|src\)/.*\.[ch]"
+prepare "https://downloads.xiph.org/releases/vorbis/libvorbis-1.3.7.tar.gz" "\./\(include\|lib\)/.*\.[ch]"
+prepare "https://downloads.xiph.org/releases/opus/opus-1.5.2.tar.gz" "\./\(celt\|include\|silk\|src\)/.*\.[ch]"
+prepare "https://downloads.xiph.org/releases/opus/opusfile-0.12.tar.gz" "\./\(include\|src\)/.*\.[ch]"